Trace number 2682563

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
PB/CT 0.1 fixedUNSAT 79.4499 79.4723

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900584106.opb
MD5SUM4a96a2353b6045ef15a9bfabac06d14b
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark18.0842
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 737
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.03	c constraints 23/0 clauses 2684/0 units 0
0.00/0.03	c vars 231
79.36/79.44	c 71.1582 11.9336 782 540013
79.36/79.47	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682563-1277475714/watcher-2682563-1277475714 -o /tmp/evaluation-result-2682563-1277475714/solver-2682563-1277475714 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682563-1277475714.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.76 0.24 0.08 3/106 30178
/proc/meminfo: memFree=1805216/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=2136 CPUtime=0
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 245 0 0 0 0 0 0 0 17 0 1 0 88865906 2187264 165 1992294400 134512640 136421960 4287375776 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30178/statm: 534 165 144 467 0 65 0

[startup+0.100045 s]
/proc/loadavg: 0.76 0.24 0.08 3/106 30178
/proc/meminfo: memFree=1805216/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10100 CPUtime=0.08
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2173 0 0 0 8 0 0 0 17 0 1 0 88865906 10342400 2091 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2525 2091 213 467 0 2056 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 10100

[startup+0.201053 s]
/proc/loadavg: 0.76 0.24 0.08 3/106 30178
/proc/meminfo: memFree=1805216/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10100 CPUtime=0.19
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2192 0 0 0 17 2 0 0 17 0 1 0 88865906 10342400 2110 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2525 2110 213 467 0 2056 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 10100

[startup+0.30106 s]
/proc/loadavg: 0.76 0.24 0.08 3/106 30178
/proc/meminfo: memFree=1805216/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10232 CPUtime=0.29
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2218 0 0 0 26 3 0 0 17 0 1 0 88865906 10477568 2136 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2558 2136 213 467 0 2089 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10232

[startup+0.701095 s]
/proc/loadavg: 0.76 0.24 0.08 3/106 30178
/proc/meminfo: memFree=1805216/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10500 CPUtime=0.69
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2264 0 0 0 62 7 0 0 17 0 1 0 88865906 10752000 2182 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2625 2182 213 467 0 2156 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10500

[startup+1.50116 s]
/proc/loadavg: 0.76 0.24 0.08 2/107 30179
/proc/meminfo: memFree=1797148/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10500 CPUtime=1.49
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2286 0 0 0 132 17 0 0 18 0 1 0 88865906 10752000 2204 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2625 2204 213 467 0 2156 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10500

[startup+3.1013 s]
/proc/loadavg: 0.76 0.24 0.08 2/107 30179
/proc/meminfo: memFree=1796900/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10632 CPUtime=3.09
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2327 0 0 0 274 35 0 0 21 0 1 0 88865906 10887168 2245 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2658 2245 213 467 0 2189 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10632

[startup+6.30158 s]
/proc/loadavg: 0.77 0.26 0.09 2/107 30179
/proc/meminfo: memFree=1796528/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=10900 CPUtime=6.29
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2366 0 0 0 559 70 0 0 25 0 1 0 88865906 11161600 2284 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2725 2284 213 467 0 2256 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10900

[startup+12.7011 s]
/proc/loadavg: 0.79 0.27 0.09 2/107 30179
/proc/meminfo: memFree=1796032/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=11164 CPUtime=12.69
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2449 0 0 0 1137 132 0 0 25 0 1 0 88865906 11431936 2367 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2791 2367 213 467 0 2322 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11164

[startup+25.5012 s]
/proc/loadavg: 0.84 0.30 0.11 2/107 30179
/proc/meminfo: memFree=1795660/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=11552 CPUtime=25.48
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2537 0 0 0 2284 264 0 0 25 0 1 0 88865906 11829248 2455 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2888 2455 213 467 0 2419 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 11552

[startup+51.1004 s]
/proc/loadavg: 0.96 0.37 0.13 2/107 30179
/proc/meminfo: memFree=1795288/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=11948 CPUtime=51.08
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2651 0 0 0 4566 542 0 0 25 0 1 0 88865906 12234752 2569 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2987 2569 213 467 0 2518 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 11948

Solver just ended. Dumping a history of the last processes samples

[startup+51.2004 s]
/proc/loadavg: 0.96 0.37 0.13 2/107 30179
/proc/meminfo: memFree=1795288/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=11948 CPUtime=51.18
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2651 0 0 0 4575 543 0 0 25 0 1 0 88865906 12234752 2569 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 2987 2569 213 467 0 2518 0
Current children cumulated CPU time (s) 51.18
Current children cumulated vsize (KiB) 11948

[startup+64.0015 s]
/proc/loadavg: 0.97 0.40 0.15 2/107 30181
/proc/meminfo: memFree=1795164/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12084 CPUtime=63.98
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2687 0 0 0 5729 669 0 0 25 0 1 0 88865906 12374016 2605 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3021 2605 213 467 0 2552 0
Current children cumulated CPU time (s) 63.98
Current children cumulated vsize (KiB) 12084

[startup+70.4011 s]
/proc/loadavg: 0.97 0.41 0.15 2/107 30181
/proc/meminfo: memFree=1795040/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12216 CPUtime=70.38
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2693 0 0 0 6306 732 0 0 25 0 1 0 88865906 12509184 2611 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3054 2611 213 467 0 2585 0
Current children cumulated CPU time (s) 70.38
Current children cumulated vsize (KiB) 12216

[startup+73.6014 s]
/proc/loadavg: 0.97 0.41 0.15 2/107 30181
/proc/meminfo: memFree=1795040/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12216 CPUtime=73.57
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2704 0 0 0 6597 760 0 0 25 0 1 0 88865906 12509184 2622 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3054 2622 213 467 0 2585 0
Current children cumulated CPU time (s) 73.57
Current children cumulated vsize (KiB) 12216

[startup+76.8006 s]
/proc/loadavg: 0.97 0.42 0.16 2/107 30181
/proc/meminfo: memFree=1795040/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12216 CPUtime=76.77
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2709 0 0 0 6883 794 0 0 25 0 1 0 88865906 12509184 2627 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3054 2627 213 467 0 2585 0
Current children cumulated CPU time (s) 76.77
Current children cumulated vsize (KiB) 12216

[startup+78.4008 s]
/proc/loadavg: 0.97 0.42 0.16 2/107 30181
/proc/meminfo: memFree=1795040/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12216 CPUtime=78.37
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2711 0 0 0 7025 812 0 0 25 0 1 0 88865906 12509184 2629 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3054 2629 213 467 0 2585 0
Current children cumulated CPU time (s) 78.37
Current children cumulated vsize (KiB) 12216

[startup+79.2008 s]
/proc/loadavg: 0.97 0.43 0.16 2/107 30181
/proc/meminfo: memFree=1795040/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12216 CPUtime=79.18
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2711 0 0 0 7095 823 0 0 25 0 1 0 88865906 12509184 2629 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3054 2629 213 467 0 2585 0
Current children cumulated CPU time (s) 79.18
Current children cumulated vsize (KiB) 12216

[startup+79.4009 s]
/proc/loadavg: 0.97 0.43 0.16 2/107 30181
/proc/meminfo: memFree=1795040/2059040 swapFree=4140112/4192956
[pid=30178] ppid=30176 vsize=12216 CPUtime=79.36
/proc/30178/stat : 30178 (pbct) R 30176 30178 30041 0 -1 4202496 2711 0 0 0 7111 825 0 0 25 0 1 0 88865906 12509184 2629 1992294400 134512640 136421960 4287375776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30178/statm: 3054 2629 213 467 0 2585 0
Current children cumulated CPU time (s) 79.36
Current children cumulated vsize (KiB) 12216

Child status: 0
Real time (s): 79.4723
CPU time (s): 79.4499
CPU user time (s): 71.1842
CPU system time (s): 8.26574
CPU usage (%): 99.9718
Max. virtual memory (cumulated for all children) (KiB): 12216

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 71.1842
system time used= 8.26574
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2737
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1
involuntary context switches= 192

runsolver used 0.139978 second user time and 0.374943 second system time

The end

Launcher Data 

Begin job on node031 at 2010-06-25 16:21:54
IDJOB=2682563
IDBENCH=1309
IDSOLVER=1192
FILE ID=node031/2682563-1277475714
PBS_JOBID= 11190512
Free space on /tmp= 62420 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900584106.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682563-1277475714/watcher-2682563-1277475714 -o /tmp/evaluation-result-2682563-1277475714/solver-2682563-1277475714 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682563-1277475714.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4a96a2353b6045ef15a9bfabac06d14b
RANDOM SEED=1847070724

node031.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.219
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.43
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.219
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.53
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1805612 kB
Buffers:         46612 kB
Cached:         100672 kB
SwapCached:       5404 kB
Active:          64160 kB
Inactive:        96156 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1805612 kB
SwapTotal:     4192956 kB
SwapFree:      4140112 kB
Dirty:            2092 kB
Writeback:           4 kB
AnonPages:       11632 kB
Mapped:          11992 kB
Slab:            70872 kB
PageTables:       4172 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181452 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62420 MiB
End job on node031 at 2010-06-25 16:23:14